103940 research outputs found

    SHORT-TERM EFFECTS OF ACETAMIPRID ON COMMON CARP: GENOTOXIC, BIOCHEMICAL, AND HISTOPATHOLOGICAL RESPONSES

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    : Neonicotinoids such as acetamiprid are used extensively in veterinary medicine and agricultural practices. Acetamiprid has been reported to have effects on non-target organisms. This study investigates the effects of acetamiprid on common carp. Fish were exposed to 50 and 100mg/L acetamiprid concentrations for 48h and 96h. Then, blood, gill and liver samples were taken from the fish. As a result of micronucleus analysis, it was determined that acetamiprid increased the number of micronuclei after 48h of exposure at all concentrations 4-fold and after 96h of exposure, at 50mg/L concentration 2.5-fold and the 100mg/L concentration 3-fold. According to the hematocrit values, a decrease was observed in the acetamiprid-exposure groups. While a small change was detected in AOPP and MDA values in gills and livers, histopathological analyses showed that 96h exposure caused damage in both tissues. As a result, sublethal concentrations of acetamiprid caused toxic effects on common carp

    «Civitas Nobilitas». Taormina e il suo ceto dirigente al tempo del Rinascimento.

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    Taormina nel Quattrocento e agli inizi del secolo successivo si inserisce pienamente in quel processo di cultura del decoro civico che si riscontrava in altri centri isolani come la vicina Messina in primis. Decoro urbano che traspare dall’edificazione di nuove strutture ecclesiastiche e civili e dal rafforzamento dei suoi baluardi difensivi. Uno slancio che conduceva i suoi ceti dirigenti a cercare fortemente la promozione al rango di città e a difendere a spada tratta il diritto alla perpetua demanialità e al possesso di un territorio distrettuale sul modello messinese

    Un giorno da Modì. Tra burle dissacranti, false opere d’arte e processi mediatici. Conversazione con Michele Ghelarducci e Nicola Minervini

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    Sollecitati da LawArt, Michele Ghelarducci e Nicola Minervini tornano a riflettere sulla «beffa del secolo», intrecciando, a distanza di quarant’anni, i loro ricordi con una ora matura consapevolezza sul delicato rapporto tra diritto, arte, critica e opinione pubblica At the invitation of LawArt, Michele Ghelarducci and Nicola Minervini revisit the so-called «beffa del secolo». Forty years later, they weave their memories with a mature understanding of the delicate relationship between law, art, criticism and public opinio

    Il Codice di Condotta sulla Disinformazione

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    Il saggio analizza il Codice di Condotta sulla Disinformazione dell'Unione Europea, strumento di autoregolamentazione per contrastare le false informazioni online salvaguardando la libertà di espressione

    Toxicological and physiological impact and bioremediation strategies for polycyclic aromatic hydrocarbons (PAHs)

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    Polycyclic aromatic hydrocarbons (PAHs) are persistent organic pollutants composed of fused benzene rings, released into the environment through fossil fuel combustion, industrial processes, forest fires, and natural events. Due to their hydrophobicity and low solubility, PAHs are resistant to degradation and accumulate in ecosystems. Recognized as mutagenic and carcinogenic, PAHs pose serious risks to human and environmental health. In aquatic systems, they can harm microbial, plant, and animal life by disrupting growth, metabolism, genetic stability, and membrane integrity. This review explores the extent of PAH contamination in aquatic environments, focusing on their toxic effects on both invertebrate and vertebrate aquatic species, particularly ichthyofauna. It also discusses microbial and plant-based degradation processes and evaluates bioremediation strategies aimed at reducing PAH concentrations and associated toxicity. Certain microorganisms and plants have adapted mechanisms to break down PAHs, and studies show that their combined action can accelerate pollutant degradation. By highlighting these natural remediation pathways, this review emphasizes the importance of sustainable strategies to mitigate PAH impacts on aquatic ecosystems and protect overall ecosystem health

    Lab-Scale Performance Evaluation of CaCl2/MgCl2/Silica Gel Sorbent Material for Thermal Energy Storage

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    Combining different materials into binary salts can significantly enhance the efficiency and stability of Thermochemical Energy Storage (TCES) systems. This study aimed to develop and characterise novel salt hydrate composite materials for TCES, focusing on a mixture of magnesium chloride (MgCl2) and calcium chloride (CaCl2) impregnated into a mesoporous silica gel (SG) sphere matrix. Three different MgCl2/CaCl2 salt ratios were investigated to find the optimal balance between sorption capacity and stability against deliquescence in humid environments. Prepared samples underwent comprehensive characterisation, including structural and morphological analysis, water vapour sorption and heat capacity measurements. The hybrid CaCl15/MgCl15/SG sample exhibited intermediate behavior between the pure CaCl30/SG and MgCl30/SG samples, with significantly improved stability in a humid environment due to the addition MgCl2. Characterisation revealed the effective confinement of the salt mix in the matrix. The optimised CaCl15/MgCl15/SG sample demonstrated highly promising gravimetric and volumetric energy storage capacities of 1092 J/g and 2.3 MJ/m3, respectively, comparable to recently reported composites. The material sorption dynamics were ultimately tested in a whole adsorbent unit under near-real-world operating conditions, pushing the research to the reactor and system level, and demonstrating that the presence of MgCl2 in the composite does not adversely affect the adsorption kinetics compared to the pure CaCl2-based composite

    Stefana Squatrito, "Boule de suif, de Maupassant à Li-An: enjeux intersémiotiques et intralinguistiques de l’adaptation en bande dessinée", Traduction et Langues, n. 24 (2), 2025, pp. 42-58

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    Cette étude se base sur une analyse comparative et contrastive d’un couple hétéro-sémiotique constitué de la nouvelle Boule de Suif de Guy de Maupassant et de son adaptation en bande dessinée réalisée par Li-An en 2009, et publiée aux éditions Delcourt dans une collection jeune public. L’objectif qu’on se pose est de comprendre comment le passage d’un média littéraire à un média verbo-iconique reconfigure le récit initial, tant sur le plan discursif que narratif et sémiotique. Après avoir porté un regard croisé sur ce couple, en analysant les différents composants que Groensteen considère comme potentiellement adaptables (le contexte historique, la fable, le «média», le discours et le texte), nous concentrerons notre analyse sur les variations intralinguistiques engendrées par ce changement de média. Nous verrons que les reformulations, les modulations, les transpositions, mais aussi les ajouts, les suppressions et les clarifications ne sont pas rares. Ces procédés traductifs mettent en lumière les contraintes propres à l’art séquentiel, qui privilégie le dialogue à la narration, et où les mots cèdent souvent la place aux images. D’ailleurs, certains choix formels (tels que l’humour visuel, l’actualisation du langage et la présence d’animaux parlants) relèvent de la volonté de l’adaptateur de s’adresser à un public jeune. En articulant réflexion théorique et étude de cas, ce travail s’inscrit dans une réflexion plus large sur l’adaptation comme véritable acte traductif, au croisement de la traductologie et des études narratologiques et intersémiotiques

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